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## org.bouncycastle.crypto.digests
Class Blake2spDigest

    java.lang.Object
      org.bouncycastle.crypto.digests.Blake2spDigest

All Implemented Interfaces:
  Digest, ExtendedDigest

public class Blake2spDigest
extends java.lang.Object
implements ExtendedDigest

Constructor Summary
`Blake2spDigest(byte[] key)`

Method Summary
`int` | `doFinal(byte[] out, int outOff)` close the digest, producing the final digest value.
`java.lang.String` | `getAlgorithmName()` return the algorithm name
`int` | `getByteLength()` Return the size in bytes of the internal buffer the digest applies it's compression function to.
`int` | `getDigestSize()` return the size, in bytes, of the digest produced by this message digest.
`void` | `reset()` reset the digest back to it's initial state.
`void` | `update(byte in)` update the message digest with a single byte.
`void` | `update(byte[] message, int offset, int len)` update the message digest with a block of bytes.

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### Blake2spDigest

    public Blake2spDigest(byte[] key)

Method Detail

### getAlgorithmName

    public java.lang.String getAlgorithmName()

  Description copied from interface: `Digest`
  return the algorithm name

  Specified by:
    `getAlgorithmName` in interface `Digest`
  Returns:
    the algorithm name

### getDigestSize

    public int getDigestSize()

  Description copied from interface: `Digest`
  return the size, in bytes, of the digest produced by this message digest.

  Specified by:
    `getDigestSize` in interface `Digest`
  Returns:
    the size, in bytes, of the digest produced by this message digest.

### update

    public void update(byte in)

  Description copied from interface: `Digest`
  update the message digest with a single byte.

  Specified by:
    `update` in interface `Digest`
  Parameters:
    `in` - the input byte to be entered.

### update

    public void update(byte[] message,
                       int offset,
                       int len)

  Description copied from interface: `Digest`
  update the message digest with a block of bytes.

  Specified by:
    `update` in interface `Digest`
  Parameters:
    `message` - the byte array containing the data.
    `offset` - the offset into the byte array where the data starts.
    `len` - the length of the data.

### doFinal

    public int doFinal(byte[] out,
                       int outOff)

  Description copied from interface: `Digest`
  close the digest, producing the final digest value. The doFinal call leaves the digest reset.

  Specified by:
    `doFinal` in interface `Digest`
  Parameters:
    `out` - the array the digest is to be copied into.
    `outOff` - the offset into the out array the digest is to start at.

### reset

    public void reset()

  Description copied from interface: `Digest`
  reset the digest back to it's initial state.

  Specified by:
    `reset` in interface `Digest`

### getByteLength

    public int getByteLength()

  Description copied from interface: `ExtendedDigest`
  Return the size in bytes of the internal buffer the digest applies it's compression function to.

  Specified by:
    `getByteLength` in interface `ExtendedDigest`
  Returns:
    byte length of the digests internal buffer.

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